Azo dye with a 2,6-diamino-5-cyano-or-5-carbamoyl-pyridine coupl

Details Azo dye with a 2,6-diamino-5-cyano-or-5-carbamoyl-pyridine coupl Azo dye with a 2,6-diamino-5-cyano-or-5-carbamoyl-pyridine coupl

1974-08-26

1977-04-05

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602948R, C09B 2936, D06P 324, D06P 340, D06P 352

Patent

active

040161528

ABSTRACT:
A dye of the formula ##STR1## wherein D is the radical of a diazo component, especially phenyl, phenylazophenyl, benzthiazolyl, benzisothiazolyl, thienyl, thiazolyl, thiadiazolyl and substituted derivatives thereof,

REFERENCES:
patent: 1680108 (1926-08-01), Ostromislensky
patent: 1862361 (1932-06-01), Dohrn et al.
patent: 1990923 (1935-02-01), Tisza et al.
patent: 2029315 (1936-02-01), Engelmann
patent: 2068353 (1937-01-01), Schneiderwirth
patent: 2148705 (1939-02-01), Mietzsch et al.
patent: 2857372 (1958-10-01), Straley et al.
patent: 3357968 (1967-12-01), Wilbert et al.

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